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Date: Sat, 10 Oct 2015 10:59:16 +0800
From: Zhou Wang <wangzhou1@...ilicon.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>, <jingoohan1@...il.com>,
<pratyush.anand@...il.com>, Arnd Bergmann <arnd@...db.de>,
<linux@....linux.org.uk>, <thomas.petazzoni@...e-electrons.com>,
<gabriele.paoloni@...wei.com>, <lorenzo.pieralisi@....com>,
<james.morse@....com>, <Liviu.Dudau@....com>,
<jason@...edaemon.net>, <robh@...nel.org>,
<gabriel.fernandez@...aro.org>, <Minghuan.Lian@...escale.com>
CC: <linux-pci@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<zhangjukuo@...wei.com>, <qiuzhenfa@...ilicon.com>,
<liudongdong3@...wei.com>, <qiujiang@...wei.com>,
<xuwei5@...ilicon.com>, <liguozhu@...ilicon.com>,
Zhou Wang <wangzhou1@...ilicon.com>
Subject: [PATCH v10 5/6] Documentation: DT: Add HiSilicon PCIe host binding
This patch adds related DTS binding document for HiSilicon PCIe host driver.
Signed-off-by: Zhou Wang <wangzhou1@...ilicon.com>
---
.../bindings/arm/hisilicon/hisilicon.txt | 17 +++++++++
.../devicetree/bindings/pci/hisilicon-pcie.txt | 44 ++++++++++++++++++++++
2 files changed, 61 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
diff --git a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
index 3504dca..6ac7c00 100644
--- a/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
+++ b/Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt
@@ -171,6 +171,23 @@ Example:
};
-----------------------------------------------------------------------
+Hisilicon HiP05 PCIe-SAS system controller
+
+Required properties:
+- compatible : "hisilicon,pcie-sas-subctrl", "syscon";
+- reg : Register address and size
+
+The HiP05 PCIe-SAS system controller is shared by PCIe and SAS controllers in
+HiP05 Soc to implement some basic configurations.
+
+Example:
+ /* for HiP05 PCIe-SAS system */
+ pcie_sas: system_controller@...0000000 {
+ compatible = "hisilicon,pcie-sas-subctrl", "syscon";
+ reg = <0xb0000000 0x10000>;
+ };
+
+-----------------------------------------------------------------------
Hisilicon CPU controller
Required properties:
diff --git a/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
new file mode 100644
index 0000000..17c6ed9
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
@@ -0,0 +1,44 @@
+HiSilicon PCIe host bridge DT description
+
+HiSilicon PCIe host controller is based on Designware PCI core.
+It shares common functions with PCIe Designware core driver and inherits
+common properties defined in
+Documentation/devicetree/bindings/pci/designware-pci.txt.
+
+Additional properties are described here:
+
+Required properties:
+- compatible: Should contain "hisilicon,hip05-pcie".
+- reg: Should contain rc_dbi, config registers location and length.
+- reg-names: Must include the following entries:
+ "rc_dbi": controller configuration registers;
+ "config": PCIe configuration space registers.
+- msi-parent: Should be its_pcie which is an ITS receiving MSI interrupts.
+- port-id: Should be 0, 1, 2 or 3.
+
+Optional properties:
+- status: Either "ok" or "disabled".
+- dma-coherent: Present if DMA operations are coherent.
+
+Example:
+ pcie@...0080000 {
+ compatible = "hisilicon,hip05-pcie", "snps,dw-pcie";
+ reg = <0 0xb0080000 0 0x10000>, <0x220 0x00000000 0 0x2000>;
+ reg-names = "rc_dbi", "config";
+ bus-range = <0 15>;
+ msi-parent = <&its_pcie>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ dma-coherent;
+ ranges = <0x82000000 0 0x00000000 0x220 0x00000000 0 0x10000000>;
+ num-lanes = <8>;
+ port-id = <1>;
+ #interrupts-cells = <1>;
+ interrupts-map-mask = <0xf800 0 0 7>;
+ interrupts-map = <0x0 0 0 1 &mbigen_pcie 1 10
+ 0x0 0 0 2 &mbigen_pcie 2 11
+ 0x0 0 0 3 &mbigen_pcie 3 12
+ 0x0 0 0 4 &mbigen_pcie 4 13>;
+ status = "ok";
+ };
--
1.9.1
--
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